Leetcode-easy-9. Palindrome Number

class Solution(object):
    def isPalindrome(self, x: int) -> bool:
        
        # positive만 가능
        if x < 0:
            return False

        remains = list()
        while True:
            remains.append(x % 10)
            x = x // 10
            if x == 0:
                break

        if remains == list(reversed(remains)):
            return True
        else:
            return False